This a Lightweight Minecraft Mod centered Around Realistic Survival, Realistic Farming, Realistic Engineering and Old Minecraft Mechanics. Please Check Mod List and Don't Worry about a few pop-ups once loaded in.
There is survival mods like flint tools, no punch trees and tough as nails.
I have added Nostalgic tweaks and recommend Disabling hunger.
There is also Immersive Engineering and Comprehensive farming through many compatible mods.